Sounds like it would be best to focus on one trade and have others do the same. Maybe later down the line I could work on all but eh.
Also with gathering, will nodes show up on the mini map or will we have to actively go out and search for them?
In 1.x I spent many, many hours watching tv/anime/movies while crafting. :| Focusing just on one or two trades will keep you busy for a while. If 1.x is any indication, all crafts will be useful rather than just the consumables ones (funny enough, alchemy was actually one of the most useless crafts until Skirmish weapons were added and you need ALC to meld and repair). Actually, technically, gear
was a consumable in 1.x (and will be in ARR too, it seems). However, in 1.x, to be "good" at any one single craft, you needed skills from several other crafts--that is, you needed mid/high-level skill from CRP, GSM, WVR, etc. to have a good array of crafting skills for the purpose of HQing. I don't have sauce, but I remember reading that they're planning to make crafting skills in ARR still work cross-class but in a way that you don't need 5 crafting jobs maxed just to be good at 1 of them, so that is good news.
On the bulk crafting note, I hope that shit is never added beyond what was in 1.x (where you could make 3x crafts of a few recipes, typically like of ingots or bolts of cloth). It would just devalue crafters even more.
As for gathering nodes and minimap, uh.... man, I tested that in phase 2 but I don't actually remember. In 1.x, they didn't appear on the minimap, but they appeared as brightly glowing lights and they had set spawn points so after gathering in the area for a bit you knew where everything was, more or less. In ARR, they appear as little sparkly graphics and, at least when I tried BOT, were far less spread out compared to 1.x. As for minimap... I wanna say they do appear, but I don't remember for sure. I plan to try crafting and gathering more this weekend.